Concrete-mixer.



J. B. MoKEON.

CONCRETE MIXER.

APPLIOATION rum: mm 12. 190a.

901,024. Patnted Oct-13,1908.

- I -/J J/H J2 J5 nnmlnnnnnfl hum unnnmfl fmmmmf a a a O a a a n n a J o o A a no UNITED STATES PATENT oFFIon-= i f "To (all 'wlwm it may concem:

Be it kno' vnfthat '1, Harris E Molt'inon, a [United v States, residing at in theoounty oi": Luzei'n e and iania, have invented a new toneretia-ltlirei of which the folspeeiligation. inv

I ,7 ton" relatesfio machines for 'niiri'ng eon ate and Sll'lllltll material and has for itsob'jeet to provide a strong, durable i'naehine of this'charaeter means of -w-hieh'-the se eral'ingredients maybe thor-' dughly mixed or'blended.

further object of the invention is to pro- ;viden marl" ij e including a casing, having a jo naifrd 't iein and provided with is aced longitudi. my dispi'ssed mixing brides,there being a, series of agitating fin- 'ers surrounding the shaft to assist in. minmg the material xi-"hen the shaft is rotated.

'A still tl'urti'ier object of the invention is generally to improve this class of devices so as to, increase their utility, durability, and oflieiencyl Further objeets pear inthe. following description, it being understood tllitiLVtLHQllS changes in forn'i, proportions and minor details of construetionfinay-l'ie 'iresorted. to withi 'i the scope of the appendedolaims; t V

nthei' "ompanying drawings forming a part of this specification: Figure 1 is a longitudinal :lxiomil View of a niiXing- 1naohi.iie construe in accordance with my invention. Fig. 2 a transverse seotional view taken on the line 2---- of Fig. l. 3 is a perspective view of the mixing element detaehed.

Similar n'unuirals of referenee indieate oorresponding parts in all of the figures of the d raw ings.

The inun'oved mixing machine forming the subject matter of the present invention comprises a easii' ei'erably 1g or housing a eylindrieal in she as shown, and mounted on a suitable supporting frame 6.

The side walls of the ca sin 7 at the upper end thereof are flared laterally at 7 to produce a hopper 8 through which cement, sand and the like is introduced into the mixing ('l'unnber 9.

J ournaled in the end walls of the using is a longitudinally disposed shaft 10 to which is rigidly secured in. any suitable manner a plurality 01" need wheels or spiders ll.

nid advantages will ap- I Specification of'Letters Patent. Applioationfiled June 12, 1908. Sol-la; No. 438,191.

foi'n1ed, w.i th a 1 DgS 18 'for engagement with the correspondngly threaded in mixing gniixi-ng blades 17.

ole veto the samooNoBE'rE MIxnR.

interposed between the spiders 11 andsur- Patent'ed Oct. 13, 1908.-'

ro'uuding the shaft '10 are tubular members '12 preferably reetai'igular in .erosssection and provided with terminal arms 13 for-httachinent to the rim 14L ofv the spiders as shown. The rims let areea'eh provided with a plurality of spaced lugs ,lfifto whichare bolted or otherwise rigidly secured at 16 longitudinally disposed mixing blades 17, which latter revolve within. the chamber ,9 when the shaft is rotated thereby to thor- The walls of the tubnlanmember lflgare plurality of tl'ireaded openends of suitable agitating 19, which latter serve to asthe ingredients and force the material, outwardly in engagement with the pins or fingers i he bottom of with a longitudinally, disposed opening ,20 for discharging the contents of the chamber 9 after the same has beenthoroughly mixed,

.ou hly mix the sand, cement and other materuil 'in, said chamber.

the cylindero is provided said opening being normally closed, by. a pair of-cooperating doors 21 pivotally. mounted at 2-2 on the bottom of the casing, and fastened in .elosed position by a catch or Sll 'illttl locking device 23.

One end of. the

ltl-fl; 10 is provided with.

a wheel or pulley it, which latter may be, connected through the medium of a proximately material will t e mixing lingers "ow the material thus deposited outwardly in engagement; with the interior walls of the casing and against the mixing blades so that on the next revolution of the mixing element the material will be again carried. upwardly and allowed to fall on said mixing'fiugers. After the several ingredients are thoroughly mixed -.=r blended the locking device 23 is as shown,

19, the latter serving to I plo'yed. I

- ;r1g1dly secured; to the sha with peripheral lugs, longitudinally dis osed mixing members connecting the lugs, tu ular j members interposed between the spiders,

shaft mounte for rotation wit releasedandthe doors fshaft T d'ers, and. agitating devices 21 moved to open po-' s'1t1on thus permitting'the discharge of the contents of the mixing chamber,

be understood that the It will of coursemachines may be made in different sizes and shapes and" that any desired number of mixing blades or agitating fingers may be em- Having thus described the invention what is claimed is: U I 1. A mixing machine including a casing a mounted for rotation within the ing, spiders secured to and mounted for*-'-rotation with the shaft tubular members interposed between the spiders, longitudinally disposed mixing blades carried by the spltubular members.

2; A mixing machine includingacasing, a shaft journaled in's aid casin spaced spiders and provided pins t readed in the tubular memmeans for rotatin the shaft.

agitatin' bers, an

spaced spi I rotation with the shaft, tubular members interposed between" the spiders and provide with. oppositely disposed arms for attachment to the adjacent; s iders, longitudinally disposed mixing bla essecured tothe peripheral edges of thespiders, and intersecting fingers carried by 4. A mixin journaled in the casing,

the tubular members. 4

machine includinma casing, a

in the (53435 ing, spaced spider's'secured to and mounted or rotation with the shaft, lugs extending laterally from; the peripheral es of the s iders, longitudinally dispofig mixing having a mixing chamber and a hop er communicating with said chamber,. rotation within the ca's secured to-the shaft and secured to the 5 3. A mixing machine inc uding a casiltilgm v shaft ers Secured to and mounted for agitating blades secured to the lugs, interposed between the s with angularly dispose ment' to said spiders,

iders and provided ,arms for attachthere being'threa'ded openings formed in the walls of the tubular members, and agitating pins engaging the threaded walls of theo nin s.

5. A mixing machine m'clu ing a casing wit provided a sha t mounted for ing, spaced spiders v mounted for rotation with the latter within tubular members the mixing chamber,- tubular members sur- 1 roundin the-shaft and interposed between the spidirs, a lurality of spaced lugs'extending lateral from the eriphe'ral edges ofthes iders, ongitudinalf disposed mixing bladbs secured to said u seating lar m'em rs. I

6.'A-mixing machine including a casin having a mixing chamber and provided wit 1 a hop ger communicating with said chamber-,-

ther eing a discharge openin formedin the bottom of the casing, a sha journald' in. the casing, spaced spiders secured to and mounted for rotation with the shaft-,tubulimr members surrounding cured to the peripheral edges'fof the spiders gs, and inter-I itati-ng fingers c'arriedb y the tubuthe shaft and, interposed between the spiders, mixing blades se and extending the entire. length ofthe ,mix-

ing chamber, carried b the tubular-rue and a-vclosure fort edischarge opening in thecasing. In-testimony th I claim the forego' as my own", I have afiixedmy'isignature'mtheflpresence of two witnesses. 5'

' JAMES E. McKE-ON. Witnesses:'

EUGENE Mamas; THos.. SKELLY.

intersecting tfiiltating 'fingers' 

